Mars was once home to wet, humid areas that received heavy rainfall, similar to tropical regions on Earth, a new study of unusually bleached rocks suggests.
Researchers were intrigued by peculiar light-colored rocks that NASA’s Perseverance rover…
Category: 7. Science
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The interaction of 2D vortices in a developing pulsed plasma jet
Moreau, E. Airflow control by non-thermal plasma actuators. J. Phys. D. 40, 605–636 (2007).
Corke, T. C., Enloe, C. L. & Wilkinson, S. P. Dielectric barrier discharge plasma actuators for…
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New cosmic lensing test sharpens the Hubble tension and hints at new physics
For more than a decade, cosmology has been stuck with a puzzling contradiction. Two of the most trusted ways of measuring the universe’s expansion give two different answers.
One set of measurements, based on nearby stars and exploding…
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Scientists sent a menstrual cup to space. This is how it went
What can you do if you get your period in space? Scientists are making that question a little easier to answer by testing how well a menstrual cup, a popular reusable period product, holds up against the pressures of space flight.
In 2022, a…
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Scientists sent a menstrual cup to space. This is how it went
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This experiment could help make space more comfortable and accessible to female astronauts. . | Credit: Westend61/Getty Images
What can you do if…
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Two ancient cousins of Lucy walked on two legs in different ways
On the ancient plains of Ethiopia, early human relatives were already trying out different ways of being upright. If you grew up hearing about Lucy as the main star of that era, new fossil finds invite you to picture a busier scene, with at least…
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11 Star Parties For Next Weekend’s Geminid Meteor Shower Peak
On Saturday, Dec. 13, the Geminid meteor shower will peak.
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One of the strongest meteor showers of the year is about to peak during a period of heightened activity for the Northern Lights, but is your night sky dark enough for the rare…
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Where’s the normal matter in our universe?
Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog the whereabouts of normal matter in our universe. Image via ESO/ M. Kornmesser/ The Conversation (CC BY-SA). The 2026 EarthSky lunar…
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Quantum discovery shocks researchers by breaking rules of physics
Humanity’s understanding of the universe has always evolved with each new discovery.
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People once believed the Earth was flat,…
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Single-molecule water dynamics on h‑BN and graphene interfaces
Researchers from Graz University of Technology and the University of Surrey have examined how subtle atomic-level differences between graphene and hexagonal boron nitride (h‑BN) affect the behavior of water on their surfaces. Understanding such…
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